Diagnostics and Troubleshooting CDHD
252 User Manual
F1 D rive Foldba ck
F1 Displayed in sequence
D e finit ion Drive Foldback
Type Fault
Act ive disa ble Yes
M e ssage # FLT 16
Descr iption
Drive average current exceeds rat ed drive continuous
current. It occurs after the Foldback warning has
occurred.
Action required
Check m ot or- drive sizing. This fault can occur if the drive
is under-sized (under-powered) for the applicat ion.
Check that the comm utation angle is correct (i.e.,
com mutation is balanced).
F2 M otor Foldback
F2 Displayed in sequence
D e finit ion Motor Foldback
Type Fault
Act ive disa ble Yes
M e ssage # FLT 17
Descr iption
Motor average current exceeds rat ed motor continuous
current. It occurs after the Foldback warning has
occurred.
Action required
Check the drive-motor sizing. This fault can occur if the
m ot or is under-sized (under-powered) for the application.